Carragher, who made more than 700 appearances for Liverpool, doesn’t think the former Chelsea boss is a perfect fit for United.

But the 38-year-old does think the Portuguese manager will restore the Reds to winning ways.

“Whether you are a fan of his ways or not, you cannot deny that Mourinho is box office and will get United challenging for silverware straight away. The man is a serial winner,” he wrote in his Daily Mail column.

Jose Mourinho shares Manchester United plans on Instagram

JOSE MOURINHO shared a snap of his Manchester United summer plans on Instagram.

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AFP/GETTY

Jose Mourinho shares Manchester United plans on Instagram

“There is only one box they want ticking now — the one that says ‘trophies'”

Jamie Carragher

“Along with plenty of others, I have said for a long time that he doesn’t tick every box for United, but there is only one box they want ticking now — the one that says ‘trophies’.

“And they’ve got the best man for the job for that. In 14 attempts, he’s won eight titles across Europe. That’s more than a 50 per cent success rate.”